Bump rayon from 1.5.3 to 1.6.1 (#7)

Bumps [rayon](https://github.com/rayon-rs/rayon) from 1.5.3 to 1.6.1.
- [Release notes](https://github.com/rayon-rs/rayon/releases)
- [Changelog](https://github.com/rayon-rs/rayon/blob/master/RELEASES.md)
- [Commits](rayon-rs/rayon@v1.5.3...rayon-core-v1.6.1)

---
updated-dependencies:
- dependency-name: rayon
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -14,7 +14,7 @@ binstalk-downloader = { version = "0.1.0", features = ["zlib-ng", "trust-dns", "
 crates-index = "0.18.9"
 semver = "1.0.13"
 tracing = "0.1.36"
-rayon = "1.5.3"
+rayon = "1.6.1"
 url = "2.2.2"
 tokio = { version = "1.20.1", features = ["full"] }
 sha2 = "0.10.2"